The bug is NOT the error of the original GNU package, but of the way how it is integrated into the Ubuntu 21.04, because if I download the GNU package itself, compile and try, then it works fine.
In detail what I did: mkdir -p ~/bash cd ~/bash rm -fr bash-* sudo apt-get -y install byacc wget https://ftp.gnu.org/gnu/bash/bash-5.1.tar.gz tar xvzf bash-*.tar.gz rm bash-*.tar.gz cd bash-* time ( ./configure ; make ) env -i PATH="$PWD:$PATH" ./bash --noprofile --norc and here if I do the same cut and paste tests, and drop a command with a terminating line feed character, then this bash binary will simply execute it ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1925823 Title: Ubuntu version of BASH losts or misinterprets the newline character coming from mouse paste To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1925823/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs